Tetra Tech Inc
TTEK- Exchange
- Nasdaq
- Industry
- Services-Engineering Services
- SEC CIK
- 0000831641
No open-market purchases or sales by Tetra Tech Inc insiders were filed in the last 90 days; 555 institutions reported holding it in 13F filings for Q2 2026, worth $7.32B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Tetra Tech Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 555
- −32 vs. Q1 2026
- Shares held
- 253.3M
- +10.9M (+4.5%) vs. Q1 2026
- Total value
- $7.32B
- +$6.63M (+0.1%) vs. Q1 2026
- New holders
- 54
- 206 more added
- Sold out
- 86
- 214 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TTEK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 555 | $7.32B |
| Q1 2026 | 593 | $7.35B |
| Q4 2025 | 611 | $8.10B |
| Q3 2025 | 597 | $8.22B |
| Q2 2025 | 590 | $8.94B |
| Q1 2025 | 568 | $7.18B |
| Q4 2024 | 638 | $9.45B |
| Q3 2024 | 646 | $11.2B |
| Q2 2024 | 600 | $9.88B |
| Q1 2024 | 512 | $8.66B |
| Q4 2023 | 510 | $7.87B |
| Q3 2023 | 471 | $7.09B |
| Q2 2023 | 455 | $7.67B |
| Q1 2023 | 445 | $6.81B |
| Q4 2022 | 470 | $6.68B |
| Q3 2022 | 412 | $5.91B |
| Q2 2022 | 415 | $6.31B |
| Q1 2022 | 404 | $7.86B |
| Q4 2021 | 401 | $7.93B |
| Q3 2021 | 359 | $7.08B |
| Q2 2021 | 366 | $5.68B |
| Q1 2021 | 365 | $6.39B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Tetra Tech Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 11,023 | $318.5K | 0.00% | −587−5.1% | Reduced |
| AE Wealth Management LLC | 11,056 | $319.4K | 0.00% | +1,457+15.2% | Added |
| Wiley Bros.-Aintree Capital, LLC | 11,063 | $319.6K | 0.00% | −4,782−30.2% | Reduced |
| Millennium Management LLC | 11,498 | $332.2K | 0.00% | −255,075−95.7% | Reduced |
| North Star Asset Management Inc | 11,500 | $332.2K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 11,615 | $335.6K | 0.01% | +11,615 | New |
| Vident Advisory, LLC | 11,669 | $337.1K | 0.00% | +4,520+63.2% | Added |
| Clear Creek Financial Management, LLC | 11,752 | $339.5K | 0.02% | −1,657−12.4% | Reduced |
| Define Financial, LLC | 11,766 | $339.9K | 0.16% | +29+0.2% | Added |
| Groupe la Francaise | 12,000 | $347.0K | 0.00% | 00.0% | Unchanged |
| Ledyard National Bank | 12,035 | $347.7K | 0.03% | −3,033−20.1% | Reduced |
| We Are One Seven, LLC | 12,068 | $348.7K | 0.01% | −798−6.2% | Reduced |
| Radnor Capital Management, LLC | 12,125 | $350.3K | 0.05% | −32,095−72.6% | Reduced |
| ELCO Management Co., LLC | 12,141 | $350.8K | 0.15% | +1,548+14.6% | Added |
| J.W. Cole Advisors, Inc. | 12,156 | $351.2K | 0.01% | −114−0.9% | Reduced |
| SRS Capital Advisors, Inc. | 12,223 | $353.1K | 0.00% | +8,770+254.0% | Added |
| RWC Asset Management LLP | 12,253 | $354.0K | 0.01% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 12,256 | $354.0K | 0.00% | +12,256 | New |
| Azzad Asset Management Inc | 12,291 | $355.1K | 0.03% | +12,291 | New |
| NewEdge Wealth, LLC | 12,381 | $357.7K | 0.00% | +4,825+63.9% | Added |
| Maryland State Retirement & Pension System | 12,454 | $359.8K | 0.01% | 00.0% | Unchanged |
| Fifth Third Wealth Advisors LLC | 12,642 | $365.2K | 0.01% | −1,806−12.5% | Reduced |
| DnB Asset Management AS | 12,987 | $375.2K | 0.00% | 00.0% | Unchanged |
| TCG Advisory Services, LLC | 13,125 | $379.2K | 0.01% | +1,057+8.8% | Added |
| Williams Jones Wealth Management, LLC. | 13,150 | $379.9K | 0.00% | −243,140−94.9% | Reduced |
| Allstate Corp | 13,229 | $382.2K | 0.00% | −13,531−50.6% | Reduced |
| Integrated Wealth Concepts LLC | 13,352 | $385.7K | 0.00% | +23+0.2% | Added |
| Evergreen Capital Management LLC | 13,752 | $397.3K | 0.01% | −8,496−38.2% | Reduced |
| Utah Retirement Systems | 13,800 | $398.7K | 0.00% | 00.0% | Unchanged |
| Trium Capital LLP | 13,810 | $399.0K | 0.25% | +13,810 | New |
| SWP Financial LLC | 13,842 | $399.9K | 0.18% | +7+0.1% | Added |
| Ensign Peak Advisors, Inc | 13,895 | $401.4K | 0.00% | +50+0.4% | Added |
| Advisor Group Holdings, Inc. | 14,016 | $404.9K | 0.00% | −5,928−29.7% | Reduced |
| Patten Group, Inc. | 14,226 | $411.0K | 0.06% | −3,428−19.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 14,335 | $414.1K | 0.00% | +285+2.0% | Added |
| Ethic Inc. | 14,348 | $414.5K | 0.01% | +14,348 | New |
| Diversified Trust Co | 14,502 | $419.0K | 0.01% | −1,061−6.8% | Reduced |
| Trexquant Investment LP | 14,712 | $425.0K | 0.00% | −56,283−79.3% | Reduced |
| US Bancorp | 14,721 | $425.3K | 0.00% | −4,469−23.3% | Reduced |
| MAI Capital Management | 14,876 | $429.8K | 0.00% | +13,604+1,069.5% | Added |
| Fred Alger Management, LLC | 14,957 | $432.1K | 0.00% | +2,720+22.2% | Added |
| CWM Advisors, LLC | 14,966 | $432.4K | 0.02% | +1,995+15.4% | Added |
| Tocqueville Asset Management L.P. | 15,025 | $434.1K | 0.01% | 00.0% | Unchanged |
| Compass Wealth Management LLC | 15,125 | $437.0K | 0.08% | 00.0% | Unchanged |
| New Hampshire Trust | 15,179 | $438.5K | 0.08% | 00.0% | Unchanged |
| Midwest Trust Co | 15,179 | $438.5K | 0.00% | 00.0% | Unchanged |
| Pinebridge Investments LLC | 15,279 | $441.4K | 0.00% | +4,273+38.8% | Added |
| Great Lakes Advisors, LLC | 15,325 | $442.7K | 0.00% | −2,448−13.8% | Reduced |
| Syon Capital LLC | 15,699 | $453.5K | 0.02% | −16,807−51.7% | Reduced |
| Dover Advisors, LLC | 13,600 | $456.1K | 0.19% | −4,580−25.2% | Reduced |
| Arkadios Wealth Advisors | 16,261 | $469.8K | 0.01% | −4,342−21.1% | Reduced |
| AlphaGrep UK Ltd | 16,350 | $472.4K | 0.14% | +7,164+78.0% | Added |
| Nwam LLC | 16,553 | $478.2K | 0.02% | +18+0.1% | Added |
| XTX Topco Ltd | 16,618 | $480.1K | 0.01% | −68,322−80.4% | Reduced |
| Bowen Hanes & Co Inc | 15,975 | $481.2K | 0.01% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 16,708 | $482.7K | 0.00% | +16,708 | New |
| First Business Financial Services, Inc. | 16,820 | $485.9K | 0.04% | 00.0% | Unchanged |
| AIA Group Ltd | 17,141 | $495.2K | 0.01% | 00.0% | Unchanged |
| First Pacific Financial | 17,615 | $508.9K | 0.06% | −403−2.2% | Reduced |
| Qtron Investments LLC | 17,922 | $517.8K | 0.07% | −2,397−11.8% | Reduced |
| Ballentine Partners, LLC | 18,085 | $522.5K | 0.01% | +3,650+25.3% | Added |
| Chicago Partners Investment Group LLC | 17,300 | $528.8K | 0.01% | −1,111−6.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 18,491 | $534.2K | 0.03% | +5,851+46.3% | Added |
| First National Advisers, LLC | 18,833 | $544.1K | 0.08% | −2,501−11.7% | Reduced |
| Ausdal Financial Partners, Inc. | 19,165 | $553.7K | 0.02% | +7,255+60.9% | Added |
| Commonwealth Equity Services, LLC | 19,404 | $560.6K | 0.00% | −277−1.4% | Reduced |
| Colony Group, LLC | 19,532 | $564.3K | 0.00% | −30,494−61.0% | Reduced |
| Tower Research Capital LLC (TRC) | 19,617 | $566.7K | 0.01% | +9,816+100.2% | Added |
| Graham Capital Management, L.P. | 19,806 | $572.2K | 0.02% | −285−1.4% | Reduced |
| Stifel Financial Corp | 20,074 | $579.9K | 0.00% | −28,879−59.0% | Reduced |
| Truist Financial Corp | 20,096 | $580.6K | 0.00% | +20,096 | New |
| Dynamic Advisor Solutions LLC | 20,443 | $590.6K | 0.02% | +1,618+8.6% | Added |
| Impact Partnership Wealth, LLC | 20,832 | $601.8K | 0.06% | +6,378+44.1% | Added |
| American Century Companies Inc | 20,867 | $602.8K | 0.00% | +2,715+15.0% | Added |
| Securian Asset Management, Inc | 19,139 | $604.6K | 0.02% | −85−0.4% | Reduced |
| First Wilshire Securities Management Inc | 21,500 | $621.1K | 0.13% | 00.0% | Unchanged |
| CAPROCK Group, Inc. | 21,617 | $624.5K | 0.01% | −9,676−30.9% | Reduced |
| Baird Financial Group, Inc. | 21,698 | $626.9K | 0.00% | −2,211−9.2% | Reduced |
| State of Wyoming | 22,178 | $640.7K | 0.06% | +1,636+8.0% | Added |
| Coldstream Capital Management Inc | 22,625 | $653.6K | 0.01% | +3,073+15.7% | Added |
| Federated Hermes, Inc. | 22,753 | $657.3K | 0.00% | −8,435−27.0% | Reduced |
| Zions Bancorporation, National Association | 23,000 | $664.5K | 0.04% | −25,059−52.1% | Reduced |
| M&T Bank Corp | 23,005 | $664.8K | 0.00% | +587+2.6% | Added |
| Cullen Capital Management LLC | 23,096 | $667.2K | 0.01% | +3,259+16.4% | Added |
| Legacy Wealth Asset Management, LLC | 23,197 | $670.2K | 0.15% | −9,863−29.8% | Reduced |
| CenterBook Partners LP | 23,233 | $671.2K | 0.03% | −22,806−49.5% | Reduced |
| The PNC Financial Services Group, Inc. | 23,348 | $674.5K | 0.00% | −304−1.3% | Reduced |
| Harbour Investments, Inc. | 23,475 | $678.2K | 0.01% | −70.0% | Reduced |
| Perigon Wealth Management, LLC | 23,868 | $689.6K | 0.01% | +30+0.1% | Added |
| Bailard, Inc. | 24,200 | $699.1K | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 25,002 | $722.3K | 0.01% | −6,437−20.5% | Reduced |
| State of Alaska, Department of Revenue | 25,429 | $734.0K | 0.01% | −673−2.6% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 25,906 | $748.4K | 0.11% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 25,946 | $750.0K | 0.00% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 26,162 | $755.8K | 0.01% | +15,565+146.9% | Added |
| Segall Bryant & Hamill, LLC | 26,267 | $758.9K | 0.01% | −120−0.5% | Reduced |
| Ridge Creek Global, Inc | 26,545 | $766.9K | 0.60% | −510−1.9% | Reduced |
| Cetera Investment Advisers | 27,388 | $791.2K | 0.00% | −10,070−26.9% | Reduced |
| Inceptionr LLC | 27,391 | $791.3K | 0.19% | +12,055+78.6% | Added |
| Hunter Perkins Capital Management, LLC | 27,809 | $803.0K | 0.18% | +27,809 | New |